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    • Shijiazhuang Mining Imp & Exp Trade Co., Ltd. Follow
      • Vermiculite,Sepiolite,Zeolite,Volcanic stone,Mica
      05-903, Yinghua Building, No. 230, Youyi North St., Xinhua District, Shijiazhuang, Hebei, China (Mainland)
      Totally has 1 empolyees in Tradesns

    silver raw vermiculite
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    • Classification：
      Plant Food
    • Model Number：
      SWT
    • Purity：
      85%
    • Place of Origin：
      Xinjiang, China (Mainland)
    • Brand Name：
      S.M.N
    • Application：
      agriculiture
    • color：
      gold silver
    • Deliverability： 2000 Ton/Tons per Month
    • Port： xingang
    • US $ 110-470/Metric Ton（Minimal Quantities 1Metric Ton）
    Contact Supplier
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    Linda·Lin
    Director
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    Shijiazhuang Mining Imp & Exp Trade Co., Ltd.
    China Hebei Shijiazhuang
    Manufacturer,Trading Company
    Less than 5 People
    Export Model:Have Own Export License
    Export Identification:Alibaba.com Certified Supplier,Trading Assessment Certificate
    Main Products:Vermiculite,Sepiolite,Zeolite,Volcanic stone,Mica
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    • Products Description
    • Review List
      Quick Details
    • Classification：
      Plant Food
    • Model Number：
      SWT
    • Purity：
      85%
    • Place of Origin：
      Xinjiang, China (Mainland)
    • Brand Name：
      S.M.N
    • Application：
      agriculiture
    • color：
      gold silver

    Specifications

    Specifications Vermiculite
    1. color: silver
    2. size: 0.3-1.0mm,1-2mm,2-4mm,4-8mm
    3. delivery time: within 10days

    Vermiculite is a mineraloid of hydrated laminar magnesium-aluminum- iron silicate. Its chemical composition greatly varies and chemical formation could be simplified as(Mg,Fe,Al)3(Al,Si)4O10(OH)2·4H2O. When heated to a temperature of about 850-950°C, it instantly expands(exfoliates) up to 15-25 times as water flashing into steam, maximum 30 times its original bulk volume. There is a color change during expansion from golden brown into silver white depending upon the composition of the vermiculite and temperature. With such prominent characteristics as being fireproof, heat insulating,sound and moisture absorbing,non-toxic, lightweight and disease free, it is widely used in construction, chemical industry, petroleum, electronics, light industry, environmental protection and as a medium of agricultural chemical products etc.

     

    Our vermiculite essential has the following characteristics:

    -PH 7 max.

    -Asbestos-free

    -Thermal conductivity: 0.045-0.06 Calorie/M

    -Unit weight: Approx.0.9kg/M3

    -Tensile strength: 1,000-1,500kgs/CM2

    -Hardness: 1-1.8

     

    CHEMICAL COMPOSITION OF VERMICULITE

     

     

    ELEMEMT

    SiO2

    Al2O3

    Fe2O3

    CaO

    MgO

    TiO2

     

    CONTENT%

    37.56

    11.85

    5.15

    1.51

    22.44

    1.05

     

    ELEMEMT

    K2O

    P2O5

    S

    MnO

    H2O

    LOI

     

    CONTENT%

    6.39

    0.085

    0.046

    0.030

    7.18

    6.71

     

     

    VERMICULITE CONCENTRATE

     (MM)

    SIZE

      (G/ML)

    DENSITY

       ( %)

    SPECIFICATION

       (%)

    MOISTURE

       (%)

    IMPURITY

     (ML/G)

    EXPANSION VOLUME

    0.3-1

    0.5-0.9

    85MIN

    5MAX

    8MAX

    6.5MIN

    1-2

    0.5-0.9

    85MIN

    5MAX

    8MAX

    8MIN

    2-4

    0.5-0.9

    85MIN

    5MAX

    8MAX

    7MIN

    4-8

    0.5-0.9

    85MIN

    5MAX

    8MAX

    7MIN

     

     

    MAIN PROPERTY OF EXPANDED VERMICULITE

     

    KG/M3

    DENSITY

     

    W/(M.K)

    THERMAL CONDUCTIVITY

    (°C)

    FIRE-PROOF

      (°C)

    TEMPERATURE

    IN USE

      (%)WATER-ABSORBING

       (%)

    MOISTURE ABSORBING

     

    ANTI-FREEZING

     

    SOUND ABSORBING

     

    CORROSION RESISTING

    60-200

    0.047-0.081

    1300-1350

    900-1000

    26.5-40.6

     

    ≤2

    For 15 cycles of

    freezing and thawing, Particle with no any change at-20°C

     

    0.53-0.63

     

    Alkali-resisting

     

     

     

                   

    USAGE:

     VERMICULITE IN INDUSTRY

        1. GASKETS OR SEALS

       2. FIREPROOFING

       3. INSULATION IN STEELWORKS AND FOUNDRIES

       4. PACKING MATERIALS 

       5. ANIMAL FEEDSTUFFS

       6. FRICTION LININGS

       7. REFRACTORY PRODUCTS

     

     

    VERMICULITE IN AGRICULTURE

       1. SOIL IMPROVEMENT

       2. FERTILIZER CARRIER

       3. HORTICULTURE

       4. HYDROPONICS

     

     

    VERMICULITE IN CONSTRUCTION INDUSTRY

       1. BITUMEN COATED VERMICULITE PLATES

       2. CONSTRUCTION COATINGS

       3.LIGHTWEIGHT CONCRETES

       4.LOOSE FILLINSULATION

       5.VERMICULITE PLASTERS

       6. FIREPROOF BOARD 

     


     

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